REDUCE COLIC AND GAS DESIGN A vented nipple designed to help reduce colic and gas by allowing air into the bottle and not the babys tummy SMOOTH TRANSITION Easy transition from breast to bottle With a soft silicon nipple designed with mom in mind and comfortable feeding for baby EASY TO CLEAN Easy to clean and assemble widebottle design is easy to clean and has only 3 parts All parts are dishwasher safe top rack only UNIQUE DESIGN The ergonomic bottle is comfortable for moms and babies to hold Offers a unisex design of star print to make it more fun MULTIPACK This pack of three is great for parents on the go or if you have multiple children at home